The simplified version of .net doesn't provide Handle, and Graphics doesn't provide HDC. What should I do if I need to use it sometimes? In addition, everyone, I used the Bitmap class to load a bmp im...
Design of 500WPFC power supply based on IC controller FAN4810 Abstract: The main features of the PFC controller FAN4810 are introduced, and the design procedure and method of a 500W high-performance P...
The power supply outputs 5V stably when unloaded. After adding a 100 ohm resistor as a load, the output voltage is pulled down to 4.7V. What is the problem? How should it be improved? Please give me s...
After the initial identification of RLC components or transistor three-terminal devices, the resistance, inductance, and capacitance values are converted into frequency values through the oscillation ...
Raspberry Pi is well-known, but what makes people depressed is that the CPU BCM2837/BCM2835 used in this product is hard to buy on the market. So stop imitating! The only way is to buy Raspberry Pi pr...
The ST routines provided by Segger are all debugged using J-Link. What if we only have an ST-Link emulator? In this article, we will introduce how to use ST-Link for debugging in Segger Embedded Studi...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
After we understand the use of libopencm3, we find that libopencm3 is only suitable for small projects. Its biggest feature is the convenience of USB. So when we configure large projects, is there a ...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
In the Chinese automobile market, the trend of new energy vehicles and driverless cars is leading the transformation of China's automobile industry. As the world's largest automobile market, "Chinese...[Details]
In the Huaxing Optoelectronics LCD panel
factory
located in Guangming New District, Shenzhen
, apart from a few people repairing machines, it is often difficult to see other people. Here, ev...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
This program is used in the development board to generate sounds of different frequencies. The overall program is relatively simple, mainly using two timers. The code and my comments are as follows. ...[Details]